What is the common factor of 12 38 40 94?
The factors of 12 are 1, 2, 3, 4, 6, and 12.The factors of 38 are 1, 2, 19, and 38.The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.The factors of 94 are 1, 2, 47, and 94.The common factors of 12, 38, 40, and 94 are 1 and 2 .